D121213233313221323133313221323132333132333132112312323132322311   >>    D12121323331322132313331322132313233313233313211231232313232231   <<    D121213233313221323133313221323132333132333132112312323132322313   >>      D121213233313221323133313221323132333132333132112312323132322312   >>